Question about 2003 Pontiac Sunfire

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Traction control light and engine light

Traction control light comes on then engine and the car will die. we get it towed to the shop then it wont die for them, we take it back drive it for approximately 50km then it will die. They say that codes come up something to do will fuel they say maybe its the fuel pump but not sure. They want $1200.00 for that job.

please help me. thank you

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  • 3 more comments 
  • bcorr82 Nov 30, 2008


    what happened in your case? would your light come on and your car die? and where would i find the throttle position sensor?


  • Anonymous Dec 16, 2008

    please my aztek just start with this problem any one please help

  • Anonymous Jan 26, 2009

    i have changed throttle position sensor 3 times, still doing it

  • Anonymous Mar 18, 2009

    The exact same thing happens to my 2002 grand am, it almost always dies after the traction control light comes on. It also shifts roughly when the light comes on.

  • jess-fitter Apr 02, 2009

    i just had the fuel pump and sending unit changed in my 2003 sunfire, and now my trac off light came on while driving to work this morning and on the way home my engine light came on and won't go off. it hasn't died and i hope it doesn't because i just had it towed when i lost the fuel pump but if anyone can tell me what's going on and/or how to fix it please tell me. also check engine light came on right after fixing fuel pump and was diagnosed as an engine misfire. if anyone knows if these two particular lights are tied together and maybe it is a censor problem or if you have any other ideas or maybe you too have experienced this, please let me know! THANK YOU!!!!



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Had the same problem its not the fuel pump, change the throttle positioning sensor.

Posted on Nov 30, 2008

  • 89PBSE Nov 30, 2008

    My car would die when the traction control light and check engine light came on, but not all the time sometimes just the traction control light and when that would happen the transmission would shift really hard. Now my problem was only the TPS (Throttle Positioning Sensor). You may have something else wrong and you might not. I'm only trying to save you money.

    Now the TPS is located on the side of the throttle body.

    If you need any help locating it just let me know.



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